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@ -1,5 +1,5 @@ |
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/*
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* AudioComputeEnvelope_F32 |
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* AudioCalcEnvelope_F32 |
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*
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* Created: Chip Audette, Feb 2017 |
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* Purpose: This module extracts the envelope of the audio signal. |
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@ -12,21 +12,21 @@ |
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* MIT License. use at your own risk. |
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*/ |
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#ifndef _AudioComputeEnvelope_F32_h |
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#define _AudioComputeEnvelope_F32_h |
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#ifndef _AudioCalcEnvelope_F32_h |
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#define _AudioCalcEnvelope_F32_h |
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#include <arm_math.h> //ARM DSP extensions. for speed! |
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#include <AudioStream_F32.h> |
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class AudioComputeEnvelope_F32 : public AudioStream_F32 |
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class AudioCalcEnvelope_F32 : public AudioStream_F32 |
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{ |
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//GUI: inputs:1, outputs:1 //this line used for automatic generation of GUI node
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//GUI: shortName:envelope
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//GUI: shortName:calc_envelope
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public: |
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//default constructor
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AudioComputeEnvelope_F32(void) : AudioStream_F32(1, inputQueueArray_f32), |
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AudioCalcEnvelope_F32(void) : AudioStream_F32(1, inputQueueArray_f32), |
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sample_rate_Hz(AUDIO_SAMPLE_RATE) { setDefaultValues(); }; |
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AudioComputeEnvelope_F32(const AudioSettings_F32 &settings) : AudioStream_F32(1, inputQueueArray_f32), |
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AudioCalcEnvelope_F32(const AudioSettings_F32 &settings) : AudioStream_F32(1, inputQueueArray_f32), |
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sample_rate_Hz(settings.sample_rate_Hz) { setDefaultValues(); }; |
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//here's the method that does all the work
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@ -106,7 +106,7 @@ class AudioComputeEnvelope_F32 : public AudioStream_F32 |
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} |
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void resetStates(void) { state_ppk = 1.0; } |
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float getCurrentLevel(void) { return state_ppk; }
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private: |
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audio_block_f32_t *inputQueueArray_f32[1]; //memory pointer for the input to this module
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float32_t sample_rate_Hz; |